(function($) {
$.alerts = {
verticalOffset:-75,                // vertical offset of the dialog from center screen, in pixels
horizontalOffset: 0,                // horizontal offset of the dialog from center screen, in pixels/
repositionOnResize: true,           // re-centers the dialog on window resize
overlayOpacity: .01,                // transparency level of overlay
overlayColor: '#FFF',               // base color of overlay
draggable: true,                    // make the dialogs draggable (requires UI Draggables plugin)
okButton: ' OK ',         // text for the OK button
cancelButton: ' Cancel ', // text for the Cancel button
dialogClass: null,                  // if specified, this class will be applied to all dialogs
alert: function(message, title, callback) {
if( title == null ) title = 'Alert';
$.alerts._show(title, message, null, 'alert', function(result) {
if( callback ) callback(result);
});
},
confirm: function(message, title, callback) {
if( title == null ) title = 'Confirm';
$.alerts._show(title, message, null, 'confirm', function(result) {
if( callback ) callback(result);
});
},
prompt: function(message, value, title, callback) {
if( title == null ) title = 'Prompt';
$.alerts._show(title, message, value, 'prompt', function(result) {
if( callback ) callback(result);
});
},
_show: function(title, msg, value, type, callback) {
$.alerts._hide();
$.alerts._overlay('show');
$("BODY").append(
'<div id="popup_container">'+
'<h1 id="popup_title"></h1>'+
'<div id="popup_content">'+
'<div id="popup_message"></div>'+
'</div>'+
'</div>');
if( $.alerts.dialogClass ) $("#popup_container").addClass($.alerts.dialogClass);
var pos = ($.browser.msie && parseInt($.browser.version) <= 6 ) ? 'absolute' : 'fixed';
$("#popup_container").css({
position: pos,
zIndex: 99999,
padding: 0,
margin: 0
});
$("#popup_title").text(title);
$("#popup_content").addClass(type);
$("#popup_message").text(msg);
$("#popup_message").html( $("#popup_message").text().replace(/\n/g, '<br />') );
$("#popup_container").css({
minWidth: $("#popup_container").outerWidth(),
maxWidth: $("#popup_container").outerWidth()
});
$.alerts._reposition();
$.alerts._maintainPosition(true);
switch( type ) {
case 'alert':
$("#popup_message").after('<div id="popup_panel"><input type="button" value="'+$.alerts.okButton+'" id="popup_ok" /></div>');
$("#popup_ok").click( function() {
$.alerts._hide();
callback(true);
});
$("#popup_ok").focus().keypress( function(e) {
if( e.keyCode == 13 || e.keyCode == 27 ) $("#popup_ok").trigger('click');
});
break;
case 'confirm':
$("#popup_message").after('<div id="popup_panel"><input type="button" value="'+$.alerts.okButton+'" id="popup_ok" /> <input type="button" value="'+$.alerts.cancelButton+'" id="popup_cancel" /></div>');
$("#popup_ok").click( function() {
$.alerts._hide();
if( callback ) callback(true);
});
$("#popup_cancel").click( function() {
$.alerts._hide();
if( callback ) callback(false);
});
$("#popup_ok").focus();
$("#popup_ok, #popup_cancel").keypress( function(e) {
if( e.keyCode == 13 ) $("#popup_ok").trigger('click');
if( e.keyCode == 27 ) $("#popup_cancel").trigger('click');
});
break;
case 'prompt':
$("#popup_message").append('<br /><input type="text" size="30" id="popup_prompt" />').after('<div id="popup_panel"><input type="button" value="'+$.alerts.okButton+'" id="popup_ok" /> <input type="button" value="'+$.alerts.cancelButton+'" id="popup_cancel" /></div>');
$("#popup_prompt").width( $("#popup_message").width() );
$("#popup_ok").click( function() {
var val = $("#popup_prompt").val();
$.alerts._hide();
if( callback ) callback( val );
});
$("#popup_cancel").click( function() {
$.alerts._hide();
if( callback ) callback( null );
});
$("#popup_prompt, #popup_ok, #popup_cancel").keypress( function(e) {
if( e.keyCode == 13 ) $("#popup_ok").trigger('click');
if( e.keyCode == 27 ) $("#popup_cancel").trigger('click');
});
if( value ) $("#popup_prompt").val(value);
$("#popup_prompt").focus().select();
break;
}
if( $.alerts.draggable ) {
try {
$("#popup_container").draggable({ handle: $("#popup_title") });
$("#popup_title").css({ cursor: 'move' });
} catch(e) { /* requires jQuery UI draggables */ }
}
},
_hide: function() {
$("#popup_container").remove();
$.alerts._overlay('hide');
$.alerts._maintainPosition(false);
},
_overlay: function(status) {
switch( status ) {
case 'show':
$.alerts._overlay('hide');
$("BODY").append('<div id="popup_overlay"></div>');
$("#popup_overlay").css({
position: 'absolute',
zIndex: 99998,
top: '0px',
left: '0px',
width: '100%',
height: $(document).height(),
background: $.alerts.overlayColor,
opacity: $.alerts.overlayOpacity
});
break;
case 'hide':
$("#popup_overlay").remove();
break;
}
},
_reposition: function() {
var top = (($(window).height() / 2)-($("#popup_container").outerHeight() / 2))+$.alerts.verticalOffset;
var left = (($(window).width() / 2)-($("#popup_container").outerWidth() / 2))+$.alerts.horizontalOffset;
if( top < 0 ) top = 0;
if( left < 0 ) left = 0;
if( $.browser.msie && parseInt($.browser.version) <= 6 ) top = top+$(window).scrollTop();
$("#popup_container").css({
top: top+'px',
left: left+'px'
});
$("#popup_overlay").height( $(document).height() );
},
_maintainPosition: function(status) {
if( $.alerts.repositionOnResize ) {
switch(status) {
case true:
$(window).bind('resize', $.alerts._reposition);
break;
case false:
$(window).unbind('resize', $.alerts._reposition);
break;
}
}
}
}
jAlert = function(message, title, callback) {
$.alerts.alert(message, title, callback);
}
jConfirm = function(message, title, callback) {
$.alerts.confirm(message, title, callback);
};
jPrompt = function(message, value, title, callback) {
$.alerts.prompt(message, value, title, callback);
};
})(jQuery);